docs: def get_metadata(self, params=None):
          """
          Metadata provides certain information about a Filehandle, and you can specify which pieces
          of information you will receive back by passing in optional parameters.
  
          ```python
          from filestack import Client
  
          client =  Client('API_KEY')
          filelink = client.upload(filepath='/path/to/file/foo.jpg')
          metadata = filelink.get_metadata()
          # or define specific metadata to receive
          metadata = filelink.get_metadata({'filename': true})
          ```
          """
          metadata_url = "{CDN_URL}/{handle}/metadata".format(
              CDN_URL=CDN_URL, handle=self.handle
          )
          response = utils.make_call(metadata_url, 'get',
                                     params=params,
                                     security=self.security)
          return response.json()